Bicycle fork



FIG. 1 is a front elevation view of a bicycle fork showing my new design;

FIG. 2 is a side elevation view thereof;

FIG. 3 is a side elevation view thereof opposite to that shown in FIG. 2;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a bicycle fork, as shown. 